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Parameters obtained from the adjustments of Cr(VI) adsorption models on AC obtained from SCB.
| Model | Parameters | Cr (VI) |
|---|---|---|
| Langmuir | qmax (mg g−1) | 55.8 |
| KL (L/mg) | 0.02 | |
| R2 | 0.9719 | |
| Freundlich | n | 0.46 |
| KF (L/mg) | 4.30 | |
| R2 | 0.8876 | |
| Dubinin-Radushkevich | β (mol2•kJ−2) | 3.7 × 10−5 |
| EL (kJ/mol) | 34.29 | |
| R2 | 0.7388 | |
| Temkin | KT (L/mol) | 0.74 |
| b (J/mol) | 301.7 | |
| R2 | 0.9336 |
